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European Journal of Plant Pathology

, Volume 111, Issue 4, pp 355–360 | Cite as

Capsid protein sequence gene analysis of Apple mosaic virus infecting pears

  • Karel Petrzik
Article

Abstract

Apple mosaic virus (ApMV, genus Ilarvirus) was detected in pears, a previously non-reported virus host. No symptoms were visible on the host’s leaves. Seventeen out of 22 randomly selected pear trees in Italy (Lombardy) and in three regions in the Czech Republic were ApMV-infected. All nine newly sequenced ApMV isolates from pears had a 15-nucleotide insertion in the capsid protein gene in identical position of that of apple isolates compared with isolates from hop and prunes. The insertion is the most prominent (but not essential) modification of the capsid protein gene, which results in a phylogenetic separation of ApMV isolates into three clusters. Sequence analysis data of an additional 15 isolates revealed a sequence correlation with kernelled fruit trees (apple and pear).

Keywords

Ilarvirus pear host phylogeny sequence correlation 

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Copyright information

© Springer 2005

Authors and Affiliations

  1. 1.Department of Plant VirologyInstitute of Plant Molecular Biology, Academy of Sciences of the Czech RepublicCeske BudejoviceCzech Republic

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